In the diagram, kl = , lm = , and mn = . what is the perimeter of isosceles trapezoid klmn?

Acable company wants to provide cell phone service for residents on an island. the function for the cost of laying the cable from the island to the mainland is c(x)= 6.500 square root x2+4, where x represents the length of the cable in feet. what are the domain and range of the function? a) domain: all real numbers range: all real numbers greater than or equal to 17,000 b) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 17,000 c) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 13,000 d) domain: all real numbers greater than or equal to 13,000 range: all real numbers greater than or equal to 0

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Find two numbers if their sum is 91 and the ratio is 6: 7?